P3075 on Chevrolet vehicles
P3075 is named on 7 Chevrolet model years (2019–2022): 18 manufacturer filings and 1 owner report in NHTSA’s files, across Silverado, Trailblazer, Blazer.
Which Chevrolet model years name P3075
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2019 Chevrolet Silverado | Engine | 6 | — |
| 2021 Chevrolet Trailblazer | Engine | 2 | 1 |
| 2022 Chevrolet Blazer | Engine | 2 | — |
| 2022 Chevrolet Trailblazer | Equipment | 2 | — |
| 2021 Chevrolet Blazer | Equipment | 2 | — |
| 2020 Chevrolet Blazer | Engine | 2 | — |
| 2019 Chevrolet Blazer | Equipment | 2 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Chevrolet filings that name P3075
Source: NHTSA manufacturer communicationsBulletins and campaigns Chevrolet filed with NHTSA whose summary names P3075. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- PIP5650 Service bulletin2019-05-20 · Engine And Engine Cooling
- This Preliminary information communicates the possibility of dtc P3075 being set current or history due to low coolant level or air trapped in cooling system.
- PIP5650A Service bulletin2019-05-22 · Engine And Engine Cooling
- This Preliminary information communicates the possibility of DTC P3075 being set current or history due to low coolant level or air trapped in cooling system.
- 19NA149 Service bulletin2019-09-03 · Engine And Engine Cooling
- This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P3075 Set.
- 21NA257 Service bulletin2021-11-12 · Equipment Adaptive/Mobility
- This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.
- 21NA257 Service bulletin2021-12-14 · Engine And Engine Cooling — Engine — Engine Control Module (Ecu/Ecm)
- This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.
What P3075 means
Source: SAE J2012 / OBD-IIP3075 is a manufacturer-specific code: the second character is a 3, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.
A stored code names the test that failed, never the part that caused it. The record above is what Chevrolet and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P3075 a known problem on Chevrolet vehicles?
It is a documented one: NHTSA's files hold 18 manufacturer filings and 1 owner report naming P3075 on 7 Chevrolet model years (2019–2022). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Chevrolet models does P3075 appear on most?
2019 Silverado (6 documents), 2021 Trailblazer (3 documents), 2022 Blazer (2 documents).
Does P3075 on a Chevrolet mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.